990842875
990,842,875 is an odd composite number composed of six prime numbers multiplied together.
990842875 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 990842875:
53 × 11 × 17 × 19 × 23 × 97
(5 × 5 × 5 × 11 × 17 × 19 × 23 × 97)See below for interesting mathematical facts about the number 990842875 from the Numbermatics database.
Names of 990842875
- Cardinal: 990842875 can be written as Nine hundred ninety million, eight hundred forty-two thousand, eight hundred seventy-five.
Scientific notation
- Scientific notation: 9.90842875 × 108
Factors of 990842875
Divisors of 990842875
- Number of divisors d(n): 128
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Complete list of divisors:
1 5 11 17 19 23 25 55 85 95 97 115 125 187 209 253 275 323 391 425 437 475 485 575 935 1045 1067 1265 1375 1615 1649 1843 1955 2125 2185 2231 2375 2425 2875 3553 4301 4675 4807 5225 5335 6325 7429 8075 8245 9215 9775 10925 11155 12125 17765 18139 20273 21505 23375 24035 24541 26125 26675 31331 31625 37145 37927 40375 41225 42389 46075 48875 54625 55775 81719 88825 90695 101365 107525 120175 122705 133375 156655 185725 189635 206125 211945 230375 278875 344641 408595 417197 444125 453475 466279 506825 537625 600875 613525 720613 783275 928625 948175 1059725 1723205 2042975 2085985 2267375 2331395 2534125 3067625 3603065 3916375 4740875 5298625 7926743 8616025 10214875 10429925 11656975 18015325 39633715 43080125 52149625 58284875 90076625 198168575 990842875
- Sum of all divisors σ(n): 1585059840
- Sum of proper divisors (its aliquot sum) s(n): 594216965
- 990842875 is a deficient number, because the sum of its proper divisors (594216965) is less than itself. Its deficiency is 396625910
Bases of 990842875
- Binary: 1110110000111100001111111110112
- Hexadecimal: 0x3B0F0FFB
- Base-36: GDX797
Squares and roots of 990842875
- 990842875 squared (9908428752) is 981769602938265625
- 990842875 cubed (9908428753) is 972779415962959559388671875
-
The
square root of 990842875 is 31477.6567584059 -
The
cube root of 990842875 is 996.9382603173
Scales and comparisons
How big is 990842875?- 990,842,875 seconds is equal to 31 years, 26 weeks, 2 days, 2 hours, 7 minutes, 55 seconds.
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To count from 1 to 990,842,875 would take you about forty-seven years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 990842875 cubic inches would be around 83.1 feet tall.
Recreational maths with 990842875
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